LB health check

Users can create an LB health check through the Samsung Cloud Platform Console and use it for an LB server group.

Create LB health check

To create an LB health check, follow these steps.

1. All Services > Networking > Load Balancer click the menu. 1. Navigate to the Service Home page of the Load Balancer.
2. On the Service Home page, click the LB Health Check menu. 2. LB health check list Navigate to the page.
3. On the LB Health Check List page, click the Create LB Health Check button. 3. Go to the LB Health Check Creation page.
4. On the Create LB health check page, enter the information required to create the service and select detailed options.
   • Enter or select the required information in the Service Information Input area.

     Category	Required status	Detailed description
     LB health check name	Required	LB health check resource name Enter using English uppercase and lowercase letters, numbers, and special characters (-_) with a length of 3 to 63 characters LB health check name must be unique within the Account
     VPC name	Required	Select the VPC to create the LB health check Select the VPC where the LB server group that will use the LB health check is created
     Service Subnet name	Required	Select the VPC Subnet to create the LB health check Select the Service Subnet where the LB server group that will use the LB health check is created
     Health check method > Protocol	Required	Select TCP or HTTP as the protocol to use for member health checks.
     Health check method > Health check port	필수	멤버 헬스 체크에 사용할 포트로 멤버 포트, 직접 입력 중 선택 직접 입력 시 1 ~ 65,534 사이의 값 입력
     헬스 체크 방식 > 주기	필수	헬스 체크 주기 기본값 5초, 1 ~ 180초 내에서 입력 가능
     Health check method > waiting time	Required	Health check response timeout Default is 5 seconds, input allowed between 1 and 180 seconds Cannot be set to a value larger than the interval
     Health check method > Detection count	Required	Number of times to evaluate health check status Default is 3 times, input can be between 1 and 10
     Health check method > HTTP method	Required	HTTP request method setting (HTTP protocol usage setting) choose GET or POST
     Health check method > URL monitor	required	Enter health check URL path (HTTP protocol when used) Enter using English letters, numbers, and special characters (/.-_?&=) within 50 characters
     Health check method > response code	Required	Enter the HTTP response code to receive from the server (HTTP protocol setting when used) Enter response codes in the 200 ~ 500 range
     Health check method > request string	Required	Health check request string input (HTTP protocol POST method used) Enter the content to include in the Request Body using English letters, numbers, and special characters (/.-_?&=) within 255 bytes

     Table. LB health check service information input items
   • In the Additional Information Input area, enter or select the required information.

     Category	Required	Detailed description
     Explanation	Select	Enter resource description
     tag	Select	Add tag Maximum of 50 tags can be added per resource

     Table. LB server group additional information input fields
5. Summary Check the service information and estimated billing amount created in the panel, and click the Create button.
   • Once creation is complete, check the created resources on the LB Health Check List page.

View detailed LB health check information

LB health check menu allows you to view and edit the resource list and detailed information. LB health check details page consists of Details, Connected resources, Tags, Operation history tabs.

Follow these steps to view detailed LB health check information.

1. All Services > Networking > Load Balancer Click the menu. 1. Navigate to the Load Balancer’s Service Home page.

2. On the Service Home page, click the LB Health Check menu. 2. Go to the LB health check list page.

   • Column visibility can be modified by clicking the Settings button at the top right of the table.

     Category	display status	Detailed description
     LB health check name	basic	LB health check resource name
     Service Subnet ID	basic	VPC Subnet name where the LB health check was created
     Number of LB server groups	basic	Number of LB server groups using LB health check
     type	basic	LB health check type
     Protocol	basic	LB health check protocol
     Creation timestamp	basic	LB health check creation time
     status	basic	LB health check resource status

     Table. LB health check list items

3. LB Health Check List Click the resource to view detailed information on the page. 3. LB Health Check Details navigate to the page.

   • LB Health Check Details At the top of the page, status information and descriptions of additional features are displayed.

     Category	Detailed description
     status	LB health check resource status Active: The service is active and functioning normally Deleting: Processing service termination request Creating: Processing service creation request Error: Unable to determine current status due to an internal error If this status persists, contact the Support Center Editing: Processing service modification request
     Delete LB health check	Delete LB health check resource

     Table. LB health check status information and additional feature items

Detailed Information

Detailed Information tab allows you to view the resource’s detailed information from the LB health check list, and edit the information when necessary.

Connected resource

Connected Resources tab allows you to view detailed information of the LB server group linked to LB Health Check.

Tag

LB Health Check List page allows you to view the tag information of the selected resource, and add, modify, or delete it.

Job History

Task History tab allows you to view the task history of the selected resource.

Modify LB health check method

On the LB Health Check Details page, you can modify the health check method.

To modify the LB health check method, follow the steps below.

1. Click the All Services > Networking > Load Balancer menu. 1. Navigate to the Load Balancer’s Service Home page.
2. On the Service Home page, click the LB Health Check menu. 2. Navigate to the LB health check list page.
3. On the LB Health Check List page, click the resource to edit its detailed information. 3. LB Health Check Details navigate to the page.
4. LB Health Check Details page, click the Edit icon of the Health Check Method. 4. Modify Health Check Method Proceed to the popup window.
5. Health Check Method Modification After editing the required information in the popup window, click the Confirm button.

Cancel LB health check

You can cancel the LB health check service that you are not using.

To disable the LB health check, follow these steps.

1. Click the All Services > Networking > Load Balancer menu. 1. Navigate to the Service Home page of the Load Balancer.
2. On the Service Home page, click the LB Health Check menu. 2. Go to the LB health check list page.
3. From the LB health check list, click the resource to terminate. 3. Go to the LB Health Check Details page.
4. On the LB Health Check Details page, click the Delete LB Health Check button.
5. When the termination is complete, check the resource termination status in the LB health check list.